ALAN210001-3J41DT is a POE-10/100/1000 BASE-T single port SMD LAN transformer module designed for Power over Ethernet applications. It features 1CT:1CT TX and RX transformers with high-performance magnetics for EMI suppression and common mode noise rejection, supporting data speeds up to 1 Gbps and power delivery up to 30 watts at 57V continuous with a current capability of 600 mA per IEEE 802.3at standards. The module operates reliably across an extended temperature range of -40°C to +125°C and is RoHS/RoHS II compliant with MSL=1. It is widely used in fast and gigabit Ethernet applications including hubs, servers, switches, routers, access points, IP cameras, surveillance systems, industrial computers, and networking equipment.